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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LS2 Single-source

    Oldsmobile · Regular Production Option

    Engine, diesel, 4.3L V6, 263 cu in

    Years 1985 Models 1
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    Also documented for BuickCadillacChevroletPontiac

    Documented applications

    Ninety-Eight — C-body, front-drive (1985–1990)
    • 1985 Single-source

      optional, 85 hp; Wikipedia's Oldsmobile diesel article lists the front-drive LS2 for the 1985 Ninety-Eight (and the Buick Electra and two Cadillacs) and its Ninety-Eight article drops the diesel for 1986; the 1985 NICB Oldsmobile engine table prints 4.3L V6 diesel letters but names no car line and no RPO code

    This page aggregates every documented appearance of LS2 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.